Pakhomov and Topilin, the characters of Aleksey Serebryakov and Andrey Smolyakov, both have the same first names and patronymics as the actors who played them: Aleksey Valeryevich and Andrey Igorevich, respectively. However, Vetrov, played by Evgeniy Mironov, is named Yevgeny Borisovich while the actor's patronymic is Vitalyevich.